header{
    height: .9rem;
    width: 100%;
    background-color: orange;
    line-height: .9rem;
    text-align: center;
    
}
header span{
    color: #fff;
    font-size: .3rem;
}
header span:first-child{
    float: left;
    font-size: .5rem;
    color: #fff;
    margin-left: .2rem;
    margin-top: .05rem;
    font-family: simsun;
}

header img{
    width: .7rem;
    height: .7rem;
    float: right;
    margin-top: .1rem;
    margin-right: .2rem;
}

